Home / 107,030.14-160,457.64-40,432.48

Finding the Fourth Proportional to 107,030.14, 160,457.64 and 40,432.48

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Solution

The fourth proportional to 107,030.14, 160,457.64 and 40,432.48 is: 60,615.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,030.14 : 160,457.64 = 40,432.48 : x
  2. Step 2: Convert to fraction form
    107,030.14/160,457.64 = 40,432.48/x
  3. Step 3: Cross multiply
    107,030.14x = 160,457.64 × 40,432.48
  4. Step 4: Simplify right side
    107,030.14x = 6,487,700,320.15
  5. Step 5: Solve for x
    x = 6,487,700,320.15/107,030.14
  6. Step 6: Final answer
    x = 60,615.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.